131495137720 has 32 divisors (see below), whose sum is σ = 296797413600. Its totient is φ = 52432125568.

The previous prime is 131495137679. The next prime is 131495137811. The reversal of 131495137720 is 27731594131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5172460 + ... + 5197819.

It is an arithmetic number, because the mean of its divisors is an integer number (9274919175).

Almost surely, 2^131495137720 is an apocalyptic number.

131495137720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131495137720 is an abundant number, since it is smaller than the sum of its proper divisors (165302275880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131495137720 is a wasteful number, since it uses less digits than its factorization.

131495137720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370607 (or 10370603 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 131495137720 in words is "one hundred thirty-one billion, four hundred ninety-five million, one hundred thirty-seven thousand, seven hundred twenty".